There are 621 fourteen-letter words containing A, G, 2I and T, https://www.bestwordlist.com/c/a/5/14letterwordswithagiit.htm
ADMINICULATING ADMINISTRATING AEROBIOLOGISTS AESTHESIOGENIC AESTHETICISING
AESTHETICIZING AETIOLOGICALLY AGGLUTINATIONS AGGLUTINOGENIC AGGRESSIVITIES
AGREEABILITIES AGRICULTURISTS AGROBIOLOGISTS AGROINDUSTRIAL AGROINDUSTRIES
AIRTIGHTNESSES ALLEGORISATION ALLEGORIZATION ALMIGHTINESSES ANAESTHETISING
ANAESTHETIZING ANASTIGMATISMS ANATHEMATISING ANATHEMATIZING ANGLICISATIONS
ANGLICIZATIONS ANGUSTIFOLIATE ANTAGONISATION ANTAGONIZATION ANTIAGGRESSION
ANTIALLERGENIC ANTICARCINOGEN ANTICARIOGENIC ANTIESTROGENIC ANTIFOREIGNERS
ANTIGENICITIES ANTIGUERRILLAS ANTILOGARITHMS ANTIODONTALGIC ANTIPHLOGISTIC
ANYTHINGARIANS APOSTROPHISING APOSTROPHIZING APPROXIMEETING ARTERIOGRAPHIC
ASTIGMATICALLY ASTROBIOLOGIES ASTROBIOLOGIST ATTITUDINISING ATTITUDINIZING
AUTHENTICATING AUTOBIOGRAPHIC BACTERIOLOGIES BACTERIOLOGIST BACTERIOPHAGIC
BIBLIOPHAGISTS BILINGUALITIES BIOCLIMATOLOGY BIODEGRADATION BIOGENETICALLY
BIOREGIONALIST BLACKSMITHINGS BRAINSTORMINGS CABINETMAKINGS CALIGINOSITIES
CALLIGRAPHISTS CARCINOLOGISTS CATEGORISATION CATEGORIZATION CENTRIFUGALISE
CENTRIFUGALIZE CENTRIFUGATION CENTUPLICATING CHARACTERISING CHARACTERIZING
CHIROGRAPHISTS CIRCUMGYRATING CIRCUMGYRATION CIRCUMNAVIGATE CIRCUMNUTATING
CIRCUMROTATING CIRCUMSTANCING CLIMATOLOGICAL CLIMATOLOGISTS COGITATIVENESS
COGNOMINATIONS COINVESTIGATOR COLLEGIALITIES COMPAGINATIONS CONDITIONATING
CONFIGURATIONS CONGENIALITIES CONGLUTINATING CONGLUTINATION CONGLUTINATIVE
CONSERVATISING CONSERVATIZING CONSIGNATORIES CONTAINERISING CONTAINERIZING
CONTRITURATING COUNTERRAIDING COUNTERVAILING CREDENTIALINGS CREDENTIALLING
DACTYLIOLOGIES DEARTICULATING DEBILITATINGLY DECAFFEINATING DECAPITALISING
DECAPITALIZING DECENTRALISING DECENTRALIZING DECHLORINATING DEFIBRILLATING
DEFLAGRABILITY DEGLUTINATIONS DELEGITIMATING DELEGITIMATION DEMILITARISING
DEMILITARIZING DEMONETARISING DEMONETARIZING DENATURALISING DENATURALIZING
DEPIGMENTATION DEPRECIATINGLY DEREGISTRATION DESTIGMATIZING DIABETOLOGISTS
DIAGENETICALLY DIAGEOTROPISMS DIAGNOSABILITY DIAGNOSTICALLY DIAGNOSTICIANS
DIAGRAMMATICAL DIALECTOLOGIES DIALECTOLOGIST DIGITALISATION DIGITALIZATION
DIGNIFICATIONS DISACCREDITING DISACCUSTOMING DISADVANTAGING DISAFFILIATING
DISAFFORESTING DISAGGREGATING DISAGGREGATION DISAGGREGATIVE DISAMBIGUATING
DISAMBIGUATION DISASSOCIATING DISAUTHORISING DISAUTHORIZING DISCORPORATING
DISCRIMINATING DISENTHRALLING DISFIGURATIONS DISINTEGRATING DISINTEGRATION
DISINTEGRATIVE DISINTEGRATORS DISINTHRALLING DISINTRICATING DISINVIGORATED
DISINVIGORATES DISOBLIGATIONS DISORIENTATING DISPLEASANTING DISPROPRIATING
DISQUANTITYING DIVARICATINGLY DOGMATISATIONS DOGMATIZATIONS EDITORIALISING
EDITORIALIZING EGALITARIANISM EMIGRATIONISTS EMOTIONALISING EMOTIONALIZING
ENTERTAININGLY EPIGENETICALLY EPIGRAMMATICAL EPIGRAMMATISED EPIGRAMMATISER
EPIGRAMMATISES EPIGRAMMATISMS EPIGRAMMATISTS EPIGRAMMATIZED EPIGRAMMATIZER
EPIGRAMMATIZES EQUIANGULARITY EQUIVOCATINGLY ESSENTIALISING ESSENTIALIZING
EULOGISTICALLY EVANGELISATION EVANGELIZATION EXCRUCIATINGLY EXHILARATINGLY
EXSANGUINATING EXSANGUINATION EXSANGUINITIES EXTINGUISHABLE EXTINGUISHANTS
FACTIONALISING FACTIONALIZING FANTASTICATING FATIGABILITIES FERRIMAGNETISM
FIBROCARTILAGE FICTIONALISING FICTIONALIZING FIGURABILITIES FIGURATIVENESS
FLAGITIOUSNESS FORGEABILITIES FRANGIBILITIES GALACTOPOIESIS GALACTOPOIETIC
GALEOPITHECINE GALEOPITHECOID GALLICISATIONS GALLICIZATIONS GALVANISATIONS
GALVANIZATIONS GELATINISATION GELATINIZATION GENERALISATION GENERALIZATION
GENERATIONISMS GENETHLIALOGIC GENTRIFICATION GEODYNAMICISTS GEOMETRISATION
GEOMETRIZATION GEOPOLITICALLY GEOPOLITICIANS GERMANISATIONS GERMANIZATIONS
GERONTOPHILIAS GESTICULATIONS GHETTOISATIONS GHETTOIZATIONS GIGANTICNESSES
GIGANTOMACHIAS GIGANTOMACHIES GILLRAVITCHING GLADIATORSHIPS GLAMORISATIONS
GLAMORIZATIONS GLOBALISATIONS GLOBALIZATIONS GLORIFICATIONS GRAMMATICALITY
GRAMMATICISING GRAMMATICIZING GRANGERISATION GRANGERIZATION GRANITISATIONS
GRANITIZATIONS GRAPHITISATION GRAPHITIZATION GRATICULATIONS GRATIFICATIONS
GREISENISATION GREISENIZATION GYROSTABILISER GYROSTABILIZER HAEMAGGLUTININ
HAGIOGRAPHISTS HAIRSPLITTINGS HAMARTIOLOGIES HEMAGGLUTININS HEPATICOLOGIES
HEPATICOLOGIST HIEROGRAMMATIC HISTOGENICALLY HISTOLOGICALLY HISTORIOGRAPHY
HOMOGENISATION HOMOGENIZATION IATROGENICALLY ICHTHYOLOGICAL ICHTHYOPHAGIES
ICHTHYOPHAGIST IGNITABILITIES ILLEGALISATION ILLEGALIZATION ILLEGITIMACIES
ILLEGITIMATELY ILLEGITIMATING ILLEGITIMATION ILLOGICALITIES ILLUMINATINGLY
IMMITIGABILITY IMPARIDIGITATE IMPIGNORATIONS IMPOSTHUMATING IMPREGNABILITY
INCAPACITATING INCOGITABILITY INDIGENISATION INDIGENIZATION INDOCTRINATING
INEGALITARIANS INFRANGIBILITY INGRATIATINGLY INGURGITATIONS INORGANISATION
INORGANIZATION INTANGIBLENESS INTEGRATIONIST INTELLIGENTIAL INTELLIGENTSIA
INTELLIGENTZIA INTERCOMPARING INTERDIGITATED INTERDIGITATES INTERFOLIATING
INTERGRADATION INTERLAYERINGS INTERLINEATING INTERLINGUALLY INTERMARRIAGES
INTERMEDIATING INTERMIGRATION INTEROPERATING INTERPELLATING INTERPRETATING
INTERREGIONALS INTERROGATIONS INTERROGATIVES INTERWREATHING INTIMIDATINGLY
INTOXICATINGLY INTRANSIGEANCE INTRANSIGEANTS INTRANSIGENCES INTRANSIGENTLY
INVESTIGATIONS INVIGORATINGLY INVIGORATIVELY IRREGULARITIES ISOAGGLUTININS
JARGONISATIONS JARGONIZATIONS JINGOISTICALLY LEGALISTICALLY LEGERDEMAINIST
LEGISLATORSHIP LEGITIMATENESS LEGITIMATISING LEGITIMATIZING LEGITIMISATION
LEGITIMIZATION LEXICOGRAPHIST LIGNIFICATIONS LINGUISTICALLY LINGUISTICIANS
LIPOGRAMMATISM LIPOGRAMMATIST LITHOGRAPHICAL LITHOLOGICALLY LOGNORMALITIES
LONGITUDINALLY LYMPHANGITIDES LYMPHANGITISES LYSOGENISATION LYSOGENIZATION
MAGISTRALITIES MAGISTRATESHIP MAGNETISATIONS MAGNETIZATIONS MAGNIFICATIONS
MAINSTREAMINGS MAINSTREETINGS MALARIOLOGISTS MALFUNCTIONING MALIMPRINTINGS
MANAGERIALISTS METACOGNITIONS METALINGUISTIC MICROGRAVITIES MICROMARKETING
MICROPEGMATITE MISATTRIBUTING MISCALCULATING MISCATALOGUING MISCEGENATIONS
MISOGYNISTICAL MISPUNCTUATING MISTRANSLATING MITHRIDATISING MITHRIDATIZING
MONGRELISATION MONGRELIZATION MOUNTAINEERING MULLIGATAWNIES MULTILINGUALLY
MULTITHREADING MUTAGENICITIES NAVIGABILITIES NAVIGATIONALLY NITROGELATINES
NOCTIVAGATIONS NONCIRCULATING NONINTERACTING NONSIGNIFICANT NONTERMINATING
OBLIGATORINESS OESOPHAGITISES OLIGOCYTHAEMIA OPISTHOGRAPHIC OPPIGNERATIONS
OPPIGNORATIONS ORGANISABILITY ORGANISATIONAL ORGANIZABILITY ORGANIZATIONAL
ORNITHOLOGICAL OVERESTIMATING OVERMEDICATING PAGANISTICALLY PALAEBIOLOGIST
PALEOBIOLOGIST PALINGENESISTS PALINGENETICAL PARADIGMATICAL PARALINGUISTIC
PARAMETERISING PARAMETERIZING PARASITOLOGIES PARASITOLOGIST PARCHMENTISING
PARCHMENTIZING PARENTHESISING PARENTHESIZING PARLIAMENTINGS PATHOBIOLOGIES
PEREGRINATIONS PERINATOLOGIES PERINATOLOGIST PHLOGISTICATED PHLOGISTICATES
PICTORIALISING PICTORIALIZING PIDGINISATIONS PIDGINIZATIONS PIEZOMAGNETISM
PLAGIOTROPISMS PLAYWRIGHTINGS POLITICALISING POLITICALIZING POSTGANGLIONIC
PRAGMATICALITY PRAGMATISATION PRAGMATIZATION PREACQUAINTING PREAUTHORIZING
PREDESIGNATING PREDESIGNATION PREDESTINATING PREFABRICATING PREFIGURATIONS
PREGNABILITIES PRENEGOTIATING PRENEGOTIATION PRESANCTIFYING PRIMATOLOGICAL
PRIMATOLOGISTS PROBLEMATIZING PROPAGANDISTIC PTERIDOLOGICAL PUGILISTICALLY
PYRAMIDOLOGIST QUADRIGEMINATE RADIOBIOLOGIST REAPPORTIONING REARTICULATING
RECALCITRATING RECAPITALISING RECAPITALIZING RECAPITULATING RECATEGORIZING
RECENTRALIZING REDINTEGRATING REDINTEGRATION REDINTEGRATIVE REESTABLISHING
REFRANGIBILITY REFRIGERATIONS REGIMENTATIONS REGISTRARSHIPS REGISTRATIONAL
REGULARISATION REGULARIZATION REGURGITATIONS REHABILITATING REINTEGRATIONS
REINVESTIGATED REINVESTIGATES REINVIGORATING REINVIGORATION REINVIGORATORS
REMILITARISING REMILITARIZING RENEGOTIATIONS REORGANISATION REORGANIZATION
REPARTITIONING REPRISTINATING REREGISTRATION RETRANSMITTING RIGIDIFICATION
RONTGENISATION RONTGENIZATION RUGGEDISATIONS RUGGEDIZATIONS SALVAGEABILITY
SANGUIFICATION SCINTIGRAPHIES SECTARIANISING SECTARIANIZING SECTIONALISING
SECTIONALIZING SEGREGATIONIST SEIGNIORALTIES SEMASIOLOGISTS SERODIAGNOSTIC
SERONEGATIVITY SEXTUPLICATING SHAPESHIFTINGS SIGNALISATIONS SIGNALIZATIONS
SIGNIFICATIONS SOPHISTICATING SOTERIOLOGICAL SOVIETOLOGICAL SPAGHETTIFYING
SPIRITUALISING SPIRITUALIZING SPONGIOBLASTIC STICKHANDLINGS STIGMATIFEROUS
STIGMATISATION STIGMATIZATION STIGMATOPHILIA STRATIGRAPHIES STRATIGRAPHIST
STRIKEBREAKING SUBINFEUDATING SUBIRRIGATIONS SUBSTANTIATING SUFFUMIGATIONS
SUPERGRAVITIES SUPPLICATINGLY SYCOPHANTISING SYCOPHANTIZING SYLLOGISATIONS
SYLLOGIZATIONS SYMPTOMATISING SYMPTOMATIZING TECHNICALISING TECHNICALIZING
TELANGIECTASIA TELANGIECTASIS TELANGIECTATIC TENDOVAGINITIS TERATOGENICIST
TERATOGENICITY TERGIVERSATING TERGIVERSATION TERMINOLOGICAL THEOLOGISATION
THEOLOGIZATION TRAGICOMICALLY TRAINSPOTTINGS TRANQUILLISING TRANQUILLIZING
TRANSMIGRATING TRANSMIGRATION TRANSMIGRATIVE TRANSMOGRIFIED TRANSMOGRIFIES
TRANSSHIPPINGS TRIANGULATIONS TRILINGUALISMS ULTRAFILTERING ULTRARELIGIOUS
ULTRARIGHTISMS ULTRARIGHTISTS UNAPPETISINGLY UNAPPETIZINGLY UNCHRISTIANING
UNCONGENIALITY UNDERPAINTINGS UNENTERTAINING UNHESITATINGLY UNILINGUALISTS
UNILLUMINATING UNINGRATIATING UNINTIMIDATING UNINTOXICATING UNNATURALISING
UNNATURALIZING UNSYMPATHISING UNSYMPATHIZING UPGRADEABILITY VEGETARIANISMS
VERBIGERATIONS VIGILANTNESSES VILLAGISATIONS VILLAGIZATIONS VILLEGGIATURAS
VITILITIGATING VITILITIGATION VULGARISATIONS VULGARIZATIONS VULVOVAGINITIS
XENODIAGNOSTIC